Home / 20,931-45,414

Finding the Third Proportional to 20,931 and 45,414

Calculator

Solution

The third proportional to 20,931 and 45,414 is: 98,534.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,931 : 45,414 = 45,414 : x
  2. Step 2: Convert to fraction form
    20,931/45,414 = 45,414/x
  3. Step 3: Cross multiply
    20,931x = 45,414 × 45,414
  4. Step 4: Simplify right side
    20,931x = 2,062,431,396
  5. Step 5: Solve for x
    x = 2,062,431,396/20,931
  6. Step 6: Final answer
    x = 98,534.78

Related Problems

Find third proportional to 10,465.50 and 22,707
Half scale
Find third proportional to 41,862 and 90,828
Double scale
Find third proportional to 20,933 and 45,418
Similar ratio
Find third proportional to 31,396.50 and 68,121
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.